CN102725167B - Accelerator pedal legpower control setup - Google Patents
Accelerator pedal legpower control setup Download PDFInfo
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- CN102725167B CN102725167B CN201080062632.0A CN201080062632A CN102725167B CN 102725167 B CN102725167 B CN 102725167B CN 201080062632 A CN201080062632 A CN 201080062632A CN 102725167 B CN102725167 B CN 102725167B
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- 230000007115 recruitment Effects 0.000 claims abstract description 74
- 230000033228 biological regulation Effects 0.000 claims abstract description 10
- 230000001133 acceleration Effects 0.000 claims description 25
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 claims description 3
- 239000000446 fuel Substances 0.000 description 16
- 239000003570 air Substances 0.000 description 12
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000003042 antagnostic effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
- B60K26/021—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements with means for providing feel, e.g. by changing pedal force characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K26/00—Arrangements or mounting of propulsion unit control devices in vehicles
- B60K26/02—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements
- B60K26/021—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements with means for providing feel, e.g. by changing pedal force characteristics
- B60K2026/023—Arrangements or mounting of propulsion unit control devices in vehicles of initiating means or elements with means for providing feel, e.g. by changing pedal force characteristics with electrical means to generate counter force or torque
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2530/00—Input parameters relating to vehicle conditions or values, not covered by groups B60W2510/00 or B60W2520/00
- B60W2530/16—Driving resistance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
- B60W2540/103—Accelerator thresholds, e.g. kickdown
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/18—Steering angle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/20—Direction indicator values
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2556/00—Input parameters relating to data
- B60W2556/45—External transmission of data to or from the vehicle
- B60W2556/50—External transmission of data to or from the vehicle of positioning data, e.g. GPS [Global Positioning System] data
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/20—Control lever and linkage systems
- Y10T74/20528—Foot operated
- Y10T74/20534—Accelerator
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Mechanical Control Devices (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
If in accelerator opening increase compared with the accelerator opening threshold value of regulation, in the accelerator pedal legpower control setup then making the legpower of accelerator pedal (2) increase, wheel steering manipulation angle when driver starts the aperture increasing accelerator pedal (2) is less, for benchmark legpower recruitment (Δ F), when handling maneuver angle is larger, it is relatively little legpower recruitment (Δ F-β).Thus, when from dead ship condition right-hand corner turnon left etc., by legpower recruitment (Δ F-β) is set relatively little, can realize accelerating smoothly.
Description
Technical field
The present invention relates to the accelerator pedal legpower control setup controlling vehicle accelerator pedal legpower.
Background technology
A kind of technology of publicity in patent documentation 1, it is applied to the 1st operation scheme of high rotating speed high capacity side (such as, homogenous combustion), and compared with the 1st operation scheme the low load-side of slow speed of revolution that fuel consumption efficiency is higher the 2nd operation scheme (such as, Stratified Charge) carry out the driving engine that switches, when switching to the 1st operation area of enforcement the 1st operation scheme from the 2nd operation area of enforcement the 2nd operation scheme in the operation area of driving engine, in the stage entering the operation area, border before being about to switch to the 1st operation area, the antagonistic force of entering into (legpower) of accelerator pedal is made suddenly to increase the legpower recruitment of regulation.Further, consist of, the increment of this legpower is removed when returning to the 2nd operation area from operation area, border.
Patent documentation 1: Japanese Unexamined Patent Publication 2003-120339 publication
Summary of the invention
The technology of above-mentioned patent documentation 1, to reduce for the purpose of specific consumption of fuel, with operation area, above-mentioned border for border, carries out the legpower of accelerator pedal and the releasing of increment thereof.But, accelerator pedal is that driver is according to principal operating member during wish steering vehicle, the operation sense that driver experiences or the impact on vehicular drive produced by it, be directly connected to the quality evaluation of entire vehicle, thus extremely important, so this contribute to legpower control setup practical that consumption of fuel reduces time, must make consumption of fuel reduce with the operation sense of accelerator pedal and the operability higher level of vehicle be in harmonious proportion.
The present inventor is in order to realize this legpower control setup practical contributing to consumption of fuel and reduce, carry out a large amount of trial-production and repeatedly carry out traveling experiment, but found by these experiments, as shown in above-mentioned patent documentation 1, if utilize accelerator opening only to make legpower increase, exceedingly sense of discomfort can be caused, not preferably to driver.Namely, substantially, because this legpower control setup makes the legpower of accelerator pedal increase suddenly in the acceleration operation midway of driver, so, such as when from waiting signal right-hand corner or turnon left, even the situation that acceleration request is higher, also cannot realize the acceleration that driver wishes, easily cause the result of making troubles to driver.In addition, also the poor vehicle of acceleration capability may be simply misinterpreted as.
Therefore, the present invention is a kind of accelerator pedal legpower control setup, if accelerator opening increase compared with the accelerator opening threshold value of regulation, accelerator pedal legpower is then made to increase the legpower recruitment specified compared with basic legpower, consider the handling maneuver angle of bearing circle, say in a broad sense, consider to become the resistance to motion of the major cause of left and right vehicle accelerating ability, setting legpower recruitment or carry out the accelerator opening threshold value of legpower increase.
Namely, in the 1st invention, it is characterized in that, handling maneuver angle corresponding to bearing circle sets above-mentioned legpower recruitment, with make above-mentioned wheel steering handle angle larger time legpower recruitment, with above-mentioned wheel steering handle angle less time legpower recruitment compared with relatively reduce, and, detect the operating state of steering indicating light, under steering indicating light non-action status, forbid that the legpower recruitment corresponding with handling maneuver angle changes.
In addition, in the 2nd invention, it is characterized in that, handling maneuver angle corresponding to bearing circle sets above-mentioned legpower recruitment, with make above-mentioned wheel steering handle angle larger time legpower recruitment, with above-mentioned wheel steering handle angle less time legpower recruitment compared with relatively reduce, and, to when turn in fare direction in opposite directions, compared with when turning to lane direction, above-mentioned legpower recruitment is set relatively little.
In addition, in the 3rd invention, handling maneuver angle corresponding to bearing circle sets above-mentioned legpower recruitment, with make above-mentioned wheel steering handle angle larger time legpower recruitment, with above-mentioned wheel steering handle angle less time legpower recruitment compared with relatively reduce, and, detect ambient air density, when density of air is lower, compared with time higher with density of air, above-mentioned legpower recruitment is set relatively little.
In addition, in the 4th invention, corresponding to the handling maneuver angle setting accelerator opening threshold value of bearing circle, accelerator opening threshold value during to make above-mentioned wheel steering manipulation angle larger, relatively increases compared with accelerator opening threshold value time less with handling maneuver angle.
In addition, " the handling maneuver angle of bearing circle " is except using the actual detected value at bearing circle handling maneuver angle, also can according to the information etc. of the action of steering indicating light or the right-hand corner turnon left obtained by Vehicular navigation system, handling maneuver angle change (increase) that prediction presumption is following.
The effect of invention
According to the present invention, driver will speed up device pedal tread in time because in the region that accelerator opening is large compared with accelerator opening threshold value, the increase compared with basic legpower of accelerator pedal legpower, so, excessively entering into of accelerator pedal can be suppressed, realize consumption of fuel and reduce.
And, when resistance to motion is larger, typically, under the condition that the handling maneuver angle of bearing circle is larger, because be intended to relative to the acceleration of driver, need larger accelerator opening, if so accelerator pedal legpower increases, then become and fully do not tread in accelerator pedal and the situation that cannot accelerate, but in the present invention, because at this moment legpower recruitment reduces, so can suppress to relax the sense of discomfort caused by legpower increase, thus the vehicle acceleration meeting driver's intention can be realized.
Accompanying drawing explanation
Fig. 1 is an example of the system architecture schematically representing the accelerator pedal legpower control setup that the present invention relates to and the outline of legpower change mechanism.
Fig. 2 is the instruction diagram of the example schematically representing the legpower change mechanism that the present invention relates to.
Fig. 3 is the characteristic map of an example of the characteristic of the accelerator pedal legpower that the present invention relates to.
Fig. 4 is the diagram of circuit representing the treatment scheme that the legpower that the 1st embodiment of the present invention relates to controls.
Fig. 5 represents the handling maneuver angle of accelerator opening that above-mentioned 1st embodiment relates to, bearing circle, legpower recruitment and the time dependent time curve of the speed of a motor vehicle.
Fig. 6 represents the handling maneuver angle of accelerator opening that the 2nd embodiment of the present invention relates to, bearing circle, legpower recruitment and the time dependent time curve of the speed of a motor vehicle.
Fig. 7 is after the accelerator opening of above-mentioned 2nd embodiment increases, the time curve when handling maneuver angle of bearing circle increases.
Fig. 8 is the characteristic map of the relation representing handling maneuver angle and resistance to motion.
Detailed description of the invention
Below, with reference to the accompanying drawings, the preferred embodiments of the present invention are explained.This accelerator pedal legpower control setup, the device of the legpower (operation antagonistic force) controlling the accelerator pedal 2 be arranged on the car body 1 of not shown vehicle changeably in principle, as described later, there is accelerator opening test section and legpower changing unit, this accelerator opening test section is the unit of the aperture (entering amount) detecting the accelerator pedal 2 be arranged on vehicle, this legpower changing unit is the unit that the legpower of accelerator pedal 2 is changed from basic legpower, in the region that the aperture of accelerator pedal 2 is large compared with the accelerator opening threshold value of regulation, make the increase compared with basic legpower of the legpower of accelerator pedal 2.
Accelerator pedal 2 is configured to as shown in Figure 1 and Figure 2, be arranged on S. A. 3, with this S. A. 3 for a spot wobble, to be fixed on car body 1 by one end and the other end is fixed on the various forms of recovery springs 4 on S. A. 3, to apply the antagonistic force to accelerator closing direction.In addition, one end of S. A. 3 is rotatably supported on car body 1 via bearing 5, on the other hand, near the other end of S. A. 3, arranges the accelerator position sensor 6 exporting accelerator opening signal APS, as accelerator opening detecting unit.
In addition, in the present embodiment, the entering amount (accelerator opening) of accelerator pedal 2 and flow regulating valve (not shown) aperture of driving engine (not shown) link each other, and corresponding to the entering amount of accelerator pedal 2, combustion engine throttle valve opening increases.That is, corresponding to accelerator opening, fuel injection amount (and then fuel discharge) increases.
And, as legpower change mechanism, be made up of the variable friction plate 7 being provided with a pair friction means 7a, 7b, above-mentioned a pair friction means 7a, 7b are opposite to each other, rotation to S. A. 3 applies friction force, a friction means 7a is set to mechanically be combined with the end of S. A. 3, and another friction means 7b can move freely vertically via spline etc. and cannot be supported on rotatably on anchor shaft 8.Above-mentioned anchor shaft 8 is fixedly supported on car body 1.In addition, above-mentioned friction means 7b is fixed on car body 1 to the actuator (such as, o) 9 of friction means 7a pretension.
Above-mentioned variable friction plate 7 makes friction means 7b mobile to axis (arrow A 1 direction in Fig. 1) by the action of actuator 9, thus, controls the friction force between friction means 7a and friction means 7b changeably.The action of this actuator 9 is controlled by control unit 10.Therefore, controlled the action of actuator 9 by control unit 10, the friction force be applied on S. A. 3 can be changed, and then change legpower when accelerator pedal 2 is entered into.
The signal from various sensor is inputted to above-mentioned control unit 10, the sensor is except detecting the above-mentioned accelerator position sensor 6 of the aperture of accelerator pedal 2, also with good grounds inclination of vehicle and detect the acceleration pick-up 11 of road grade, detect the atmosphere pressure sensor 12 of around atmospheric pressure, detect the air charge temperature sensor 13 of intake temperature, detect the car speed sensor 14 of the speed of a motor vehicle, be built in perception in seat (not shown) and whether take the seating pressure sensor 15 of passenger, detect the gear position sensor 16 etc. of the converter speed ratio of change-speed box, in addition, except the information of the Vehicular navigation system 17 from the cartographic information that can input near current vehicle position and current location, and outside the signal of laser radar 18 detecting the vehicle headway between this car and front vehicles, the signal of the steering indicating light sensor 20 of the action from the handling maneuver angle transducer 19 and detection vehicle turn signal detecting bearing circle handling maneuver angle is also inputted to above-mentioned controller 10.
In addition, as change-speed box, such as converter speed ratio continually varying continuously variable transmission can be used, but also can be the automatic transmission with hydraulic torque converter or hand-operated transmission etc. of the form that step type speed-changing mechanism and torque converter are combined.In addition, when continuously variable transmission, converter speed ratio can be obtained, as the ratio of the rotative speed of input shaft side and output shaft side.
Fig. 3 roughly represents the characteristic of the accelerator pedal legpower in above-described embodiment, basic legpower and basic legpower, increases direction and aperture reduction direction and has suitable delay, and roughly proportionally increase relative to accelerator opening in aperture.Further, if when entering into when increasing the operation in direction to aperture, compared with the accelerator opening threshold value (the label SL of Fig. 3) of regulation, accelerator opening increases, then accelerator pedal legpower increases step by step compared with basic legpower.Increase step by step by making accelerator pedal legpower like this, naturally too much entering into of the accelerator pedal 2 undertaken by driver can be suppressed, and, simultaneously reliably lower (namely from specific consumption of fuel to driver's report, consumption of fuel is good) driving condition be transformed to the situation of the running state of specific consumption of fuel higher (that is, consumption of fuel is poor).
In addition, the legpower that above-mentioned accelerator opening increases the accelerator pedal 2 on direction increases, and such as, can be reversed to when accelerator opening reduces direction remove immediately at the direction of operating of accelerator pedal 2, or, also can remove when accelerator opening is reduced to and is less than or equal to afore mentioned rules aperture.
Fig. 4 is the diagram of circuit representing the control flow that the present embodiment relates to.In step s 11, judge whether the handling maneuver angle of bearing circle is more than or equal to the predetermined angular threshold value θ s preset.If lower than predetermined angular, then enter step S12, make accelerator opening threshold value be the stipulated standard value SL considering that consumption of fuel performance sets.Further, if accelerator opening is more than or equal to this accelerator opening threshold value SL, then enter step S16 from step S13, relative to basic legpower, make pedal force increase the legpower recruitment Δ F of regulation.
On the other hand, if handling maneuver angle is more than or equal to predetermined angular, then enter step S14, make accelerator opening threshold value become the value (SL+ α) increasing additional quantity α relative to a reference value SL.Further, if accelerator opening is more than or equal to the accelerator opening threshold value (SL+ α) after increase, then enter step S16 from step S15, make pedal force increase the legpower recruitment Δ F of regulation relative to basic legpower.
According to above-mentioned the present embodiment, as shown in Figure 5, as when from the dead ship condition right-hand corners such as waiting signal or turnon left, make handling maneuver angle increase and under the situation that the aperture of accelerator pedal 2 is increased, because exceed the moment t1 of angle threshold θ s at handling maneuver angle, accelerator opening threshold value changes to the value (SL+ α) increasing side, so do not produce before reaching the moment t2 of larger accelerator opening legpower increase, based on only legpower state under allow entering into fast of accelerator pedal 2.Therefore, be not correspond to handling maneuver angle and change the 1st comparative example of accelerator opening threshold value characteristic (characteristic represented by dashed line in figure) H1 compared with, vehicle acceleration smoothly can be realized.
In addition, remove the releasing threshold value SL ' that legpower increases, be redefined for the value lower than accelerator opening threshold value SL, but in the present embodiment, the angle threshold θ s that this releasing threshold value SL ' also corresponds to bearing circle sets.That is, if the handling maneuver angle of bearing circle is more than or equal to angle threshold θ s, then in the same manner as accelerator opening threshold value SL, will remove threshold value SL ' and set relatively large, accelerator opening threshold value SL is maintained identical degree with the delay removed between threshold value SL '.
Below, with reference to Fig. 6 and Fig. 7, the 2nd embodiment of the present invention is described.In the 2nd embodiment, replace the accelerator opening threshold value of above-mentioned 1st embodiment, set the legpower recruitment Δ F of accelerator pedal corresponding to the handling maneuver angle of bearing circle.Namely, legpower recruitment is changed corresponding to the handling maneuver angle of bearing circle, compared with basic legpower recruitment Δ F when legpower recruitment (Δ F-β) during to make the handling maneuver angle of bearing circle larger is less with handling maneuver angle, reduce specified amount β.More particularly, if handling maneuver angle is more than or equal to the angle threshold θ s of regulation, then compared with the stipulated standard value Δ F preset, legpower recruitment is made to reduce the decrease β of regulation.
According to the 2nd embodiment, as from shown when waiting signal right-hand corner or turnon left, when increasing when making handling maneuver angle and the aperture of accelerator pedal 2 increased, handling maneuver angle exceedes angle threshold θ s (t3), and accelerator opening exceedes the moment t4 of aperture threshold value SL, carry out legpower increase, but because legpower recruitment at this moment changes to the value (Δ F-β) compared with downside, so the impression relaxing legpower increase can be suppressed, with be not correspond to handling maneuver angle and change the comparative example of legpower recruitment characteristic H1 compared with, vehicle acceleration smoothly can be realized.
In addition, in above-mentioned 2nd embodiment, as shown in Figure 7, such as, when from dead ship condition turnon left right-hand corner, the situation of beating wheel after acceleration is significantly inferior, accelerator opening exceedes accelerator opening threshold value SL, and the handling maneuver angle of bearing circle is when exceeding predetermined angular threshold value θ s, first, exceeding the moment t5 of accelerator opening threshold value SL, apply the legpower recruitment Δ F of benchmark, then, exceed the moment t6 of predetermined angular threshold value θ s at handling maneuver angle, reduce legpower recruitment (Δ F-β).In this case, in order to not cause sense of discomfort to driver, especially as shown in the label f1 of Fig. 7, by the rate of change (pace of change) of legpower recruitment is restricted to specified value, and reduce legpower recruitment gradually.
In addition, also can use above-mentioned 1st embodiment and the 2nd embodiment simultaneously, when the handling maneuver angle (resistance to motion) of bearing circle is larger, increase accelerator opening threshold value, and, reduce legpower recruitment.
In addition, also can correspond to the aperture of accelerator pedal 2 along with driver's operation start speed of a motor vehicle when increasing (, the initial speed of a motor vehicle from accelerator opening full cut-off or when entering into from certain constant middle aperture), change accelerator opening or legpower recruitment that the legpower of accelerator pedal 2 is increased.Specifically, when the aperture of accelerator pedal 2 start speed of a motor vehicle when increasing lower, compared with the situation that the speed of a motor vehicle is higher, be set as relatively large accelerator opening threshold value (SL+ α) or less legpower recruitment (Δ F-β).Thus, as from shown during dead ship condition right-hand corner turnon left, at relatively low vehicle speeds, easily will speed up device pedal and enter into, thus the vehicle acceleration meeting driver's intention can be realized.
Also can according to the information of the operating state of steering indicating light or Vehicular navigation system 17, handling maneuver angle change (increase) of prior prediction direction dish, carries out the setting of accelerator opening threshold value or legpower recruitment.That is, when steering indicating light action or by Vehicular navigation system 17 carry out right-hand corner turnon left guide time, prediction can direction of operating dish and handling maneuver angle is increased, thus will speed up device aperture threshold value in advance and set larger, or sets less by legpower recruitment.In this case, even if when making accelerator opening increase before steering operation bearing circle during dead ship condition right-hand corner turnon left, also can just will speed up device aperture threshold value from sets larger, or set less by legpower recruitment, thus the fast speed vehicle acceleration meeting driver's intention can be realized further.
On the other hand, as vehicle warehouse-in, when handling maneuver angle being increased at inoperation steering indicating light, with during above-mentioned right-hand corner or turnon left time compared with, because the acceleration request of driver (accelerating intention) is lower, so, also can forbid that the accelerator opening threshold value corresponding with handling maneuver angle or legpower recruitment change.In other words, also can only when from the right-hand corner turnon left of dead ship condition, carry out the accelerator opening threshold value corresponding with above-mentioned handling maneuver angle or legpower recruitment changes.
In addition, during right-hand corner as keep left, when turning to fare direction in opposite directions, with to compared with travelling time turning in fare direction, before sending a car in opposite directions, right-hand corner must be completed fast, because acceleration request is higher, so particularly preferably in when turning to fare direction in opposite directions, with to compared with travelling time turning in fare direction, will speed up device aperture threshold value and set relatively large, or legpower recruitment is set relatively little.
Fig. 8 represents that wheel steering handles the relation of angle and resistance to motion.As shown in the drawing, its pass is, if handling maneuver angle increases to a certain degree, then resistance to motion increases rapidly.Therefore, except the handling maneuver angle of above-mentioned bearing circle, also can correspond to the relevant parameter of resistance to motion, carry out the change of accelerator opening threshold value or legpower recruitment.Specifically, resistance to motion setting legpower recruitment can be corresponded to, to make the resistance to motion of no matter vehicle much, excessive legpower recruitment all can not be applied, and relatively little compared with legpower recruitment when legpower recruitment when vehicle travel resistance can be made larger is less with resistance to motion.
As representing the parameter of resistance to motion, except the above-mentioned speed of a motor vehicle, when road grade (go up a slope for just) is larger, or due to the load carrying ability of the vehicles such as number of passengers larger when, the resistance to motion of vehicle is larger.Therefore, legpower recruitment when less relative to the gradient, sets relatively little by the legpower recruitment in larger for gradient situation, or, relative to the legpower recruitment in the less situation of load carrying ability, the legpower recruitment in larger for load carrying ability situation is set relatively little.In addition, the size of the resistance to motion obtained by above-mentioned parameter, can replace the resistance to motion (mainly air resistance or rolling resistance) based on the speed of a motor vehicle and use, or also can be added with the resistance to motion based on the speed of a motor vehicle and use.
Here, road grade can use the detected value of acceleration pick-up 11 to detect.In addition, when current location and its peripheral map information can be inputted from Vehicular navigation system 17, also current on-site road grade can be detected according to this cartographic information.The number of passengers of vehicle can according to detections such as the signals from the seating pressure sensor 15 be built in seat.
The above-mentioned legpower recruitment according to vehicle travel resistance setting, can also correct according to other conditions.Such as, the driving model of the density of air of air, mode of motion or the energy saver mode that can suck according to combustion engine, to correct with the vehicle headway of front vehicles, the velocity contrast etc. from current vehicle speed to legal limit.
Based on the correction of density of air, export reduction for the combustion engine corrected with the density of air in the higher highland of height above sea level or the more high situation of temperature is lower, consider that density of air is less, combustion engine exports and more reduces, and makes legpower recruitment less.Here, for the sea level elevation of current vehicle position, the detected value of baroceptor 12 can be used to calculate, when current location and its peripheral map information can be inputted from Vehicular navigation system 17, also according to this cartographic information, current on-site sea level elevation can be detected.For ambient-air temperature, the detected value of air charge temperature sensor 13 can be used to detect.In addition, also directly density of air can be obtained according to the detected value of baroceptor 12.
As the correction based on driving model, when current driving model is the higher pattern of driver's acceleration request, in order to carry out the acceleration meeting driver's intention, correct in the mode reducing legpower recruitment.In addition, as shown in known, corresponding to the selection of this driving model, such as, the speed change parameter etc. of automatic transmission with hydraulic torque converter is changed.
The judgement of vehicle driving model, such as, if with driving model select switch on vehicle, then easily can judge according to the position of this select switch, the higher driving model of acceleration request is selected (such as by switching manipulation driver, mode of motion) when, legpower recruitment can be reduced.In addition, the driving habit of driver is understood according to the history driving condition of driver, when there being the driver of the custom treading in more greatly accelerator pedal 2, judge that driving style that driver likes is as the larger driving style of acceleration request, also can be judged to be the driving model selecting acceleration request higher all the time.
As the correction based on the vehicle headway between Ben Che and front vehicles, larger according to vehicle headway, the mode that legpower recruitment is less corrects, and when vehicle headway is less, legpower recruitment is increased relatively, close further with what suppress to avoid with front vehicles.Here, and the vehicle headway between front vehicles, detect by using the vehicle headway detecting device of laser radar 18.This vehicle headway detecting device, by irradiating laser to vehicle front, accepts the reflected light from front vehicles, detects the distance with front vehicles.
The so-called difference according to the legal limit of the road in current vehicle speed and current driving (wherein, make current vehicle speed lower than legal limit) correction, the cartographic information of current location and its periphery is inputted from Vehicular navigation system 17, the legal limit of the road in current driving is detected according to this cartographic information, when current vehicle speed is less than the legal limit of the road in current driving, can according to larger with the velocity contrast of legal limit, the mode that legpower recruitment is less corrects.This is that to make to reach the acceleration of legal limit smooth, and when being more than or equal to legal limit, not easily produces acceleration.
As mentioned above, in addition, by density of air, driving model, difference etc. with the vehicle headway of front vehicles, current vehicle speed and legal limit, correct the legpower recruitment determined according to resistance to motion, more suitably can increase the legpower of accelerator pedal 2, realize the smooth ride of reflection driver intention.
In addition, in the above-described embodiments, mainly according to handling maneuver angle setting accelerator opening threshold value or the legpower recruitment of bearing circle, but be not limited thereto, also can detect and use and correspond to this bearing circle handling maneuver angle and the angle of wheel that changes, in addition, also can replace or combinationally use other parameters such as the speed of a motor vehicle relevant to above-mentioned resistance to motion.
In addition, in the above-described embodiments, when the handling maneuver angle of bearing circle is larger, change accelerator opening threshold value or legpower recruitment step by step, but also can change continuously, increase with the handling maneuver angle along with bearing circle, accelerator opening threshold value is increased gradually, or legpower recruitment is reduced gradually.
In addition, to increase the initial speed of a motor vehicle of operation (treading in from full-shut position or middle aperture) for benchmark by driver to the aperture of accelerator pedal 2, setting accelerator opening threshold value or legpower recruitment, but the speed of a motor vehicle also can successively read in during accelerator pedal 2 aperture increases, setting upgrades its accelerator opening threshold value each time or legpower recruitment.
In addition, in the above-described embodiments, carry out legpower increase according to the accelerator opening relevant to consumption of fuel, but also can for the setting threshold of specific consumption of fuel own, even if when specific consumption of fuel at this moment carries out legpower increase when exceeding threshold value, the present invention is suitable for too.
In addition, in the above-described embodiments, detect the position (entering amount) of accelerator pedal 2 itself as accelerator opening, therefore, the entering amount of accelerator pedal 2 and accelerator opening are actually of equal value, also the such as throttle valve opening linked with accelerator pedal 2 can be used as accelerator opening, carry out control of the present invention.
In addition, the accelerator pedal legpower control setup that the present invention relates to, is not only applicable to, only using combustion engine as the vehicle of drive source, such as, be applicable to battery-driven car or motor vehicle driven by mixed power etc. too.
Claims (5)
1. an accelerator pedal legpower control setup, it has:
Accelerator opening test section, it detects accelerator opening; And
Legpower changing unit, it changes the legpower of accelerator pedal,
If accelerator opening is large compared with the accelerator opening threshold value of regulation, then accelerator pedal legpower is made to increase the legpower recruitment specified compared with basic legpower,
It is characterized in that,
Handling maneuver angle corresponding to bearing circle sets above-mentioned legpower recruitment, with make above-mentioned wheel steering handle angle larger time legpower recruitment, with above-mentioned wheel steering handle angle less time legpower recruitment compared with relatively reduce,
Further, detect the operating state of steering indicating light, under steering indicating light non-action status, forbid that the legpower recruitment corresponding with handling maneuver angle changes.
2. accelerator pedal legpower control setup as claimed in claim 1, is characterized in that,
At relatively low vehicle speeds, compared with the situation that the speed of a motor vehicle is higher, above-mentioned legpower recruitment is set relatively little.
3. accelerator pedal legpower control setup as claimed in claim 1, is characterized in that,
Detect the operating state of steering indicating light as above-mentioned handling maneuver angle, when the operating state of steering indicating light, compared with the non-action status of steering indicating light, above-mentioned legpower recruitment is set relatively little.
4. accelerator pedal legpower control setup as claimed in claim 1, is characterized in that,
In the vehicle of equipped vehicle navigationsystem, when the right-hand corner undertaken by above-mentioned Vehicular navigation system or turnon left guide, compared with when guiding without above-mentioned right-hand corner or turnon left, above-mentioned legpower recruitment is set relatively little.
5. accelerator pedal legpower control setup as claimed in claim 1, is characterized in that,
Detect the acceleration request of driver, when above-mentioned acceleration request is higher, compared with the situation that above-mentioned acceleration request is lower, above-mentioned legpower recruitment is set relatively little.
Applications Claiming Priority (3)
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| JP2010016247 | 2010-01-28 | ||
| JP2010-016247 | 2010-01-28 | ||
| PCT/JP2010/072456 WO2011092957A1 (en) | 2010-01-28 | 2010-12-14 | Device to control force required to depress accelerator pedal |
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| CN102725167A CN102725167A (en) | 2012-10-10 |
| CN102725167B true CN102725167B (en) | 2016-04-20 |
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| CN201080062632.0A Active CN102725167B (en) | 2010-01-28 | 2010-12-14 | Accelerator pedal legpower control setup |
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| EP (1) | EP2529971B1 (en) |
| JP (2) | JP5382143B2 (en) |
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| JP2013241178A (en) | 2013-12-05 |
| WO2011092957A1 (en) | 2011-08-04 |
| RU2012136626A (en) | 2014-03-10 |
| US8712661B2 (en) | 2014-04-29 |
| KR20120117906A (en) | 2012-10-24 |
| MX2012008587A (en) | 2012-09-07 |
| JP5382143B2 (en) | 2014-01-08 |
| JPWO2011092957A1 (en) | 2013-05-30 |
| RU2527624C2 (en) | 2014-09-10 |
| EP2529971A4 (en) | 2018-04-18 |
| JP5637263B2 (en) | 2014-12-10 |
| EP2529971A1 (en) | 2012-12-05 |
| BR112012018863A2 (en) | 2016-04-12 |
| US20120291587A1 (en) | 2012-11-22 |
| CN102725167A (en) | 2012-10-10 |
| EP2529971B1 (en) | 2019-09-18 |
| KR101383415B1 (en) | 2014-04-08 |
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